Analysis
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max time kernel
130s -
max time network
137s -
platform
windows7_x64 -
resource
win7 -
submitted
08-07-2020 12:28
Static task
static1
Behavioral task
behavioral1
Sample
IMG_4100.SCR
Resource
win7
Behavioral task
behavioral2
Sample
IMG_4100.SCR
Resource
win10v200430
General
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Target
IMG_4100.SCR
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Size
677KB
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MD5
565b124296b7b1c9da28495b2c4b9a75
-
SHA1
cddf5eed87b8e3c55a37e4d24b105f7bcbc099fc
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SHA256
6deeb1205f1768b632f623fc0133a963fe374e3f68c3f345948a6820f232743a
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SHA512
8667ccce26499354817d0f91dae68def592ae9ed29f0d5422ca59f4806c5e6cc918b989824dc252148c3680fc7260b5fd93fafea3db0646e740ffa9a8bdb9300
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
akachukwu123@
Signatures
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
IMG_4100.SCRpid process 344 IMG_4100.SCR -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 api.ipify.org -
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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Suspicious use of WriteProcessMemory 9 IoCs
Processes:
IMG_4100.SCRdescription pid process target process PID 1164 wrote to memory of 344 1164 IMG_4100.SCR IMG_4100.SCR PID 1164 wrote to memory of 344 1164 IMG_4100.SCR IMG_4100.SCR PID 1164 wrote to memory of 344 1164 IMG_4100.SCR IMG_4100.SCR PID 1164 wrote to memory of 344 1164 IMG_4100.SCR IMG_4100.SCR PID 1164 wrote to memory of 344 1164 IMG_4100.SCR IMG_4100.SCR PID 1164 wrote to memory of 344 1164 IMG_4100.SCR IMG_4100.SCR PID 1164 wrote to memory of 344 1164 IMG_4100.SCR IMG_4100.SCR PID 1164 wrote to memory of 344 1164 IMG_4100.SCR IMG_4100.SCR PID 1164 wrote to memory of 344 1164 IMG_4100.SCR IMG_4100.SCR -
Suspicious use of SetThreadContext 1 IoCs
Processes:
IMG_4100.SCRdescription pid process target process PID 1164 set thread context of 344 1164 IMG_4100.SCR IMG_4100.SCR -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
IMG_4100.SCRdescription pid process Token: SeDebugPrivilege 344 IMG_4100.SCR
Processes
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C:\Users\Admin\AppData\Local\Temp\IMG_4100.SCR"C:\Users\Admin\AppData\Local\Temp\IMG_4100.SCR" /S1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\Temp\IMG_4100.SCR"C:\Users\Admin\AppData\Local\Temp\IMG_4100.SCR"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/344-2-0x0000000000400000-0x000000000049A000-memory.dmpFilesize
616KB
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memory/344-3-0x000000000049479E-mapping.dmp
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memory/344-4-0x0000000000400000-0x000000000049A000-memory.dmpFilesize
616KB
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memory/344-5-0x0000000000400000-0x000000000049A000-memory.dmpFilesize
616KB
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memory/1164-1-0x0000000000000000-0x0000000000000000-disk.dmp